Displaying and maintaining the spanning tree

Execute display commands in any view and reset command in user view.

Task

Command

Display history about ports blocked by spanning tree protection functions.

display stp abnormal-port

Display BPDU statistics on ports.

display stp bpdu-statistics [ interface interface-type interface-number [ instance instance-list ] ]

Display information about ports shut down by spanning tree protection functions.

display stp down-port

Display the historical information of port role calculation for the specified MSTI or all MSTIs.

display stp [ instance instance-list | vlan vlan-id-list ] history [ slot slot-number ]

Display the statistics of TC/TCN BPDUs sent and received by all ports in the specified MSTI or all MSTIs.

display stp [ instance instance-list | vlan vlan-id-list ] tc [ slot slot-number ]

Display the spanning tree status and statistics.

display stp [ instance instance-list | vlan vlan-id-list ] [ interface interface-list | slot slot-number ] [ brief ]

Display the MST region configuration information that has taken effect.

display stp region-configuration

Display the root bridge information of all MSTIs.

display stp root

Clear the spanning tree statistics.

reset stp [ interface interface-list ]